80825428 has 12 divisors (see below), whose sum is σ = 142525152. Its totient is φ = 40103960.

The previous prime is 80825419. The next prime is 80825431. The reversal of 80825428 is 82452808.

It is a super-2 number, since 2×80825428² = 13065499622766368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76600 + ... + 77647.

It is an arithmetic number, because the mean of its divisors is an integer number (11877096).

Almost surely, 2^80825428 is an apocalyptic number.

It is an amenable number.

80825428 is a deficient number, since it is larger than the sum of its proper divisors (61699724).

80825428 is a wasteful number, since it uses less digits than its factorization.

80825428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154382 (or 154380 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 37.

The square root of 80825428 is about 8990.2963243711. The cubic root of 80825428 is about 432.3638124677.

The spelling of 80825428 in words is "eighty million, eight hundred twenty-five thousand, four hundred twenty-eight".